Computer Science
Scientific paper
Jan 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982stin...8228232h&link_type=abstract
Unknown
Computer Science
Data Correlation, Geomagnetic Pulsations, Magnetic Storms, Magnetometers, Sudden Storm Commencements, Earth Magnetosphere, Electric Fields, International Sun Earth Explorers, Magnetic Fields, Magnetohydrodynamic Turbulence, Poynting Theorem, Space Observations (From Earth), Standing Waves
Scientific paper
The ISEE observations of the pi2 magnetic pulsations occuring substorm onset in the inner magnetosphere are discussed. One of these events which was also detected as a pi2 event by the AFGL midlatitude magnetometers is considered. The event occurred when the foot of the ISEE field line was over North America. The ground and satellite signals are remarkably similar: they start and stop at the same time, have the same period and can be correlated cycle by cycle. The waves are detected in the electric field data from ISEE 1 and in the magnetic field data from both ISEE 1 and ISEE 2. Calculation of the Poynting vector at ISEE 1 shows that the energy flowed mainly westward, but that there was also a component towards the nearer (southern) ionospheric foot of the field line. The phases between the various field components measured by ISEE 1 and 2 indicate that this is a standing hydromagnetic oscillation.
Hughes Jeffrey W.
Maynard Nelson C.
Singer Howard J.
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